diff --git a/src/profiling/SendTimelinePacket.hpp b/src/profiling/SendTimelinePacket.hpp
index 90016d0..fc9cf6f 100644
--- a/src/profiling/SendTimelinePacket.hpp
+++ b/src/profiling/SendTimelinePacket.hpp
@@ -27,6 +27,7 @@
       , m_WriteBuffer(nullptr)
       , m_Offset(8u)
       , m_RemainingBufferSize(0u)
+      , m_PacketDataLength(0u)
     {}
 
     /// Commits the current buffer and reset the member variables